CN213697034U

CN213697034U - Retractor for neurosurgery

Info

Publication number: CN213697034U
Application number: CN202022337852.3U
Authority: CN
Inventors: 李波; 陈旺; 朱玉辐
Original assignee: Xuzhou Medical University
Current assignee: Xuzhou Medical University
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-16
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a retractor for neurosurgery, including threaded rod and movable block, still include buffer structure, can carry out fixed knot structure and the anti-skidding structure that prevents the equipment slippage, the fixed plate is installed to one side of threaded rod, and one side cover that the threaded rod outside is close to the fixed plate is equipped with the sliding block, the outside cover of sliding block is equipped with the movable block. The utility model discloses an install fixed box and reset spring, exert pressure to the gasbag through pressing the clamp plate, make the inside gas of gasbag discharge through the sucking disc, hold fixed box and remove the power of exerting to the clamp plate after that, the inside reset spring of gasbag resumes length and resumes the initial state with the gasbag, the bottom of sucking disc and the inside of user's hand between the inboard gas adsorbed to the gasbag to make and form negative pressure between the inboard of sucking disc and hand, can effectively avoid the slippage of fixed box.

Description

Retractor for neurosurgery

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a retractor for neurosurgery.

Background

With the development of society, neurosurgery gradually develops into one side branch of surgery, and based on surgery as a treatment means, the neurosurgery is applied as a unique research method, mainly used for researching the nervous system of a human body and auxiliary mechanisms related to the nervous system, and a retractor is often used in the treatment process, while the mouth of the traditional retractor is inconvenient to adjust, and cannot be fixed after adjustment.

With the use of neurosurgical retractors, the following problems have been found during use:

1. the retracting port of the conventional retractor for neurosurgery is inconvenient to adjust and cannot be fixed.

2. The conventional retractor for neurosurgery is easy to slip off during the use process, so that the use is inconvenient.

3. The traditional retractor for neurosurgery can not buffer and adsorb blood in the process of retracting the mouth.

There is a need to design a retractor for neurosurgery that addresses the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a retractor for neurosurgery to the mouth that provides current retractor among the above-mentioned background art is not convenient for adjust, the slippage appears easily and can't protect the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a retractor for neurosurgery comprises a threaded rod, a movable block, a buffer structure, a fixed structure capable of being fixed and an anti-slip structure for preventing equipment from slipping;

a fixed plate is installed on one side of the threaded rod, a sliding block is sleeved on one side, close to the fixed plate, of the outer portion of the threaded rod, a movable block is sleeved on the outer side of the sliding block, a movable plate is connected to the outer side of the movable block in a sliding mode, and the buffer structures are arranged on the inner sides of the fixed plate and the movable plate;

the fixed structure is arranged at the upper end of one side of the movable block;

the anti-skidding structure is arranged on the other side of the threaded rod.

Preferably, buffer structure includes the fixed block, and the inboard even welding of fixed block has connecting spring, the buffer board has all been welded to one side of connecting spring, and one side of buffer board all is provided with the flexblepad.

Preferably, the slide rail has been seted up to inboard intermediate position department of movable block, and the upper end in the sliding block outside and lower extreme all be provided with slide rail assorted slider, constitute sliding structure through slider and slide rail sliding connection between movable block and the sliding block simultaneously.

Preferably, fixed knot constructs including draw-in groove, fixed spring, mounting panel and fixture block, the mounting panel sets up in the upper end of movable block one side, and the both sides on mounting panel top all weld and have fixed spring, fixed spring's top welding has the fixture block, and one side on threaded rod top evenly seted up with fixture block assorted draw-in groove.

Preferably, the fixture block is T-shaped, and the fixture block and the fixed spring are in a welding integrated structure.

Preferably, anti-skidding structure includes fixed box, sucking disc, presses the briquetting, presses platen, gasbag, reset spring and mounting box, the fixed box sets up in the opposite side of threaded rod, and the intermediate position department of fixed box inside upper end and lower extreme all installs the mounting box, the gasbag is all installed to the intermediate position department of the inside bottom of mounting box, and the inside both sides of gasbag all are provided with reset spring, and the sucking disc is all installed to the both sides on gasbag top, the intermediate position department of fixed box top and bottom all installs and press the briquetting, and all installs and press the platen according to the top of briquetting.

Preferably, the height of the pressing block is smaller than that of the suction cups, and the suction cups are symmetrically distributed about a central axis of the pressing block in the vertical direction.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the fixing box is installed on the air bag, the pressing plate applies pressure to the air bag, so that gas in the air bag is discharged through the sucking disc, the fixing box is held, the force applied to the pressing plate is removed, the length of the return spring in the air bag is recovered, the air bag is recovered to the initial state, the gas between the bottom end of the sucking disc and the inner side of the hand of a user is adsorbed into the air bag, negative air pressure is formed between the sucking disc and the inner side of the hand, and the fixing box can be effectively prevented from slipping;

(2) the clamping block is restored to the original position through the fixed spring by installing the clamping block, the fixed spring, the clamping groove and the threaded rod, then the clamping block is clamped with the matched clamping groove, the rotating length of the threaded rod is fixed, and the threaded rod is prevented from being loosened in the using process;

(3) through installing threaded rod, movable block, sliding block, fly leaf, connecting spring and buffer board, through rotating the threaded rod, the threaded rod can drive the removal of fly leaf through the supplementary of movable block and sliding block in the pivoted, can change the size that the wound was retracted through the fly leaf, when retracting the wound, can cushion at the in-process that the wound was retracted through the supplementary of connecting spring and buffer board, avoids causing secondary injury to the wound.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic view of the anti-slip structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a fixing plate; 2. a fixed block; 3. a threaded rod; 4. a slider; 5. a slide rail; 6. a movable block; 7. a fixed structure; 701. a card slot; 702. fixing the spring; 703. mounting a plate; 704. a clamping block; 8. an anti-slip structure; 801. a fixing box; 802. a suction cup; 803. a pressing block; 804. a pressing plate; 805. an air bag; 806. a return spring; 807. mounting a box; 9. a movable plate; 10. a slider; 11. a connecting spring; 12. a buffer plate; 13. a flexible mat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1 to 4, a retractor for neurosurgery comprises a threaded rod 3 and a movable block 6, and further comprises a buffer structure, a fixing structure 7 capable of fixing and an anti-slip structure 8 for preventing the equipment from slipping;

one side of the threaded rod 3 is provided with a fixed plate 1, one side, close to the fixed plate 1, of the outer part of the threaded rod 3 is sleeved with a sliding block 10, the outer side of the sliding block 10 is sleeved with a movable block 6, the outer side of the movable block 6 is connected with a movable plate 9 in a sliding mode, and buffering structures are arranged on the inner sides of the fixed plate 1 and the movable plate 9;

the fixed structure 7 is arranged at the upper end of one side of the movable block 6;

the anti-skid structure 8 is arranged on the other side of the threaded rod 3;

referring to fig. 1-4, the retractor for neurosurgery further comprises a buffer structure, wherein the buffer structure comprises a fixed block 2, connecting springs 11 are uniformly welded on the inner side of the fixed block 2, buffer plates 12 are welded on one sides of the connecting springs 11, and flexible pads 13 are arranged on one sides of the buffer plates 12;

a sliding rail 5 is arranged in the middle of the inner side of the movable block 6, sliding blocks 4 matched with the sliding rail 5 are arranged at the upper end and the lower end of the outer side of the sliding block 10, and the movable block 6 and the sliding block 10 are connected in a sliding mode through the sliding blocks 4 and the sliding rail 5 to form a sliding structure;

specifically, as shown in fig. 1 and 2, when the wound retractor is used, firstly, by rotating the threaded rod 3, the threaded rod 3 can drive the movable plate 9 to move through the assistance of the movable block 6 and the sliding block 10 during rotation, the retracted size of the wound can be changed through the movable plate 9, when the wound is retracted, the wound retractor can buffer in the wound retracting process through the assistance of the connecting spring 11 and the buffer plate 12, and secondary injury to the wound is avoided.

Example 2: the fixing structure 7 comprises a clamping groove 701, a fixing spring 702, a mounting plate 703 and a clamping block 704, the mounting plate 703 is arranged at the upper end of one side of the movable block 6, the fixing spring 702 is welded on two sides of the top end of the mounting plate 703, the clamping block 704 is welded on the top end of the fixing spring 702, and the clamping groove 701 matched with the clamping block 704 is uniformly formed in one side of the top end of the threaded rod 3;

the fixture block 704 is T-shaped, and the fixture block 704 and the fixed spring 702 are in a welded integrated structure;

specifically, as shown in fig. 1, 2 and 4, when the structure is used, the fixture block 704 is restored to the original position, the fixing spring 702 is restored to the original length, the fixture block 704 is engaged with the matching fixture groove 701 through the fixing spring 702, the rotation length of the threaded rod 3 is fixed, and the threaded rod 3 is prevented from being loosened in the using process.

Example 3: the anti-skid structure 8 comprises a fixed box 801, suckers 802, pressing blocks 803, pressing plates 804, an air bag 805, a return spring 806 and a mounting box 807, wherein the fixed box 801 is arranged on the other side of the threaded rod 3, the mounting boxes 807 are mounted at the middle positions of the upper end and the lower end in the fixed box 801, the air bag 805 is mounted at the middle position of the bottom end in the mounting box 807, the return springs 806 are arranged on two sides in the air bag 805, the suckers 802 are mounted on two sides of the top end of the air bag 805, the pressing blocks 803 are mounted at the middle positions of the top end and the bottom end of the fixed box 801, and the pressing plates 804 are mounted at the top ends of the pressing blocks;

the height of the pressing block 803 is smaller than that of the suction cups 802, and the suction cups 802 are symmetrically distributed about the central axis of the pressing block 803 in the vertical direction;

specifically, as shown in fig. 1, 2, and 3, when this structure is used, first, by applying pressure to the air bag 805 by the pressing plate 804, the gas inside the air bag 805 is discharged through the suction cup 802, then holding the fixed case 801 and removing the force applied to the pressing plate 804, the return spring 806 inside the air bag 805 recovers the length and restores the air bag 805 to the original state, the gas between the bottom end of the suction cup 802 and the inside of the hand of the user is sucked into the inside of the air bag 805, and negative pressure is formed between the suction cup 802 and the inside of the hand, and slipping of the fixed case 801 can be effectively avoided.

The working principle is as follows: when the device is used, firstly, the pressing block 803 is pressed downwards, the pressing plate 804 applies pressure to the air bag 805, so that the gas in the air bag 805 is exhausted through the suction cup 802, then a user holds the fixing box 801, the return spring 806 in the air bag 805 restores the length and restores the air bag 805 to the original state, the gas between the bottom end of the suction cup 802 and the inner side of the hand of the user is sucked into the air bag 805, negative air pressure is formed between the suction cup 802 and the inner side of the hand, the slipping of the fixing box 801 can be effectively avoided, and the stability of the device in use is improved;

the fixing block 2 is placed at a wound, so that the flexible pad 13 can protect the wound and adsorb blood at the same time, the blood is prevented from dripping, the clamping block 704 moves upwards, the fixing spring 702 is stressed and the length is increased, the clamping block 704 is separated from the clamping groove 701, then the threaded rod 3 rotates, the threaded rod 3 can drive the movable plate 9 to move through the assistance of the movable block 6 and the sliding block 10 during rotation, the size of wound retraction can be changed through the movable plate 9, when the wound is retracted, the connection spring 11 and the buffer plate 12 can buffer in the process of wound retraction, and secondary injury to the wound is avoided;

after the wound is pulled off, the pressure applied to the fixture block 704 is removed, the fixture block 704 is enabled to restore the original position, then the fixing spring 702 is enabled to restore the original length, the fixture block 704 is clamped with the matched clamping groove 701 through the fixing spring 702, the rotating length of the threaded rod 3 is fixed, and the situation that the threaded rod 3 is loosened in the using process is prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A retractor for neurosurgery, comprising a threaded rod (3) and a movable block (6), characterized in that: the anti-slipping device also comprises a buffer structure, a fixing structure (7) capable of fixing and an anti-slipping structure (8) for preventing the device from slipping;

a fixed plate (1) is installed on one side of the threaded rod (3), a sliding block (10) is sleeved on one side, close to the fixed plate (1), of the outer portion of the threaded rod (3), a movable block (6) is sleeved on the outer side of the sliding block (10), a movable plate (9) is connected to the outer side of the movable block (6) in a sliding mode, and the buffering structures are arranged on the inner sides of the fixed plate (1) and the movable plate (9);

the fixed structure (7) is arranged at the upper end of one side of the movable block (6);

the anti-skid structure (8) is arranged on the other side of the threaded rod (3).

2. A neurosurgical retractor according to claim 1, wherein: buffer structure includes fixed block (2), and the inboard even welding of fixed block (2) has connecting spring (11), buffer board (12) have all been welded to one side of connecting spring (11), and one side of buffer board (12) all is provided with flexible pad (13).

3. A neurosurgical retractor according to claim 2, wherein: slide rail (5) have been seted up to inboard intermediate position department of movable block (6), and the upper end in sliding block (10) outside and lower extreme all be provided with slide rail (5) assorted slider (4), constitute sliding structure through slider (4) and slide rail (5) sliding connection between movable block (6) and sliding block (10) simultaneously.

4. A neurosurgical retractor according to claim 1, wherein: fixed knot constructs (7) including draw-in groove (701), fixed spring (702), mounting panel (703) and fixture block (704), mounting panel (703) set up in the upper end of movable block (6) one side, and the both sides on mounting panel (703) top all weld fixed spring (702), the top welding of fixed spring (702) has fixture block (704), and threaded rod (3) one side on top evenly seted up with fixture block (704) assorted draw-in groove (701).

5. A neurosurgical retractor according to claim 4, wherein: the clamping block (704) is T-shaped, and a welding integrated structure is formed between the clamping block (704) and the fixed spring (702).

6. A neurosurgical retractor according to claim 1, wherein: anti-skidding structure (8) are including fixed box (801), sucking disc (802), press according to briquetting (803), press according to clamp plate (804), gasbag (805), reset spring (806) and mounting box (807), fixed box (801) set up in the opposite side of threaded rod (3), and the intermediate position department of fixed box (801) inside upper end and lower extreme all installs mounting box (807), gasbag (805) are all installed to the intermediate position department of the inside bottom of mounting box (807), and gasbag (805) inside both sides all are provided with reset spring (806), and sucking disc (802) are all installed to the both sides on gasbag (805) top, press briquetting (803) are all installed to the intermediate position department of fixed box (801) top and bottom, and press briquetting (804) all installed on the top of briquetting (803).

7. A neurosurgical retractor according to claim 6, wherein: the height of the pressing block (803) is smaller than that of the suckers (802), and the suckers (802) are symmetrically distributed about the central axis of the pressing block (803) in the vertical direction.